防止鸭梨黑皮病的措施鸭梨黑皮病是贮藏过程中的一种生理病害。一般翌年的二、三月份发病率较高。严重时病斑连接成片，使整个果皮呈黑褐色，不但影响了商品价值，而且缩短了果实贮藏期。防止鸭梨黑皮病的措施有以下几种：一、适期采收：果实成熟度是直接影响鸭梨果皮变黑... Prevention of black pear skin disease measures pear black skin disease is a physiological disease during storage. In general, the morbidity in February and March of the following year is higher. Serious lesions connected into pieces, so that the entire dark brown peel, not only affected the value of the commodity, but also shorten the storage period of fruit. Prevent pear black skin disease measures are as follows: First, the appropriate harvest: fruit maturity is a direct impact on the pear peel blackening ...